2011521800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{324439}}^1$

素因数の和:324486

約数の個数: 48

約数和(自身を含む): 4827667200

約数和(自身を除く): 2816145400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 3100, 6200, 324439, 648878, 1297756, 1622195, 2595512, 3244390, 6488780, 8110975, 10057609, 12977560, 16221950, 20115218, 32443900, 40230436, 50288045, 64887800, 80460872, 100576090, 201152180, 251440225, 402304360, 502880450, 1005760900, 2011521800]

約数ペア:

[(1, 2011521800), (2, 1005760900), (4, 502880450), (5, 402304360), (8, 251440225), (10, 201152180), (20, 100576090), (25, 80460872), (31, 64887800), (40, 50288045), (50, 40230436), (62, 32443900), (100, 20115218), (124, 16221950), (155, 12977560), (200, 10057609), (248, 8110975), (310, 6488780), (620, 3244390), (775, 2595512), (1240, 1622195), (1550, 1297756), (3100, 648878), (6200, 324439)]